function _linkchecker_link_block_ids in Link checker 7

Same name and namespace in other branches

1. 6.2 linkchecker.module \_linkchecker_link_block_ids()

Returns IDs of blocks that contain a link which the current user is allowed to view.

Parameters

object $link: An object representing the link to check.

Return value

array An array of custom block IDs that contain the provided link and that the current user is allowed to view.

2 calls to _linkchecker_link_block_ids()

_linkchecker_link_access in ./linkchecker.module

Determines if the current user has access to view a link.

_linkchecker_report_page in ./linkchecker.pages.inc

Builds the HTML report page table with pager.

File

./linkchecker.module, line 413

This module periodically check links in given node types, blocks etc.

Code

function _linkchecker_link_block_ids($link) {

  // Exit if blocks are disabled.
  if (!variable_get('linkchecker_scan_blocks', 0)) {
    return array();
  }

  // Get the initial list of block IDs.
  $bids = db_query('SELECT bid FROM {linkchecker_block_custom} WHERE lid = :lid', array(
    ':lid' => $link->lid,
  ))
    ->fetchCol();

  // If the user can administer blocks, they're able to see all block content.
  if (user_access('administer blocks')) {
    return $bids;
  }

  // Otherwise, only return blocks that this user (or anonymous users) have
  // access to.
  global $user;
  $rids = array_keys($user->roles);
  $rids[] = DRUPAL_ANONYMOUS_RID;
  $query = db_select('block', 'b');
  $query
    ->leftJoin('block_role', 'r', 'b.module = r.module AND b.delta = r.delta');
  $query
    ->condition('b.module', 'block');
  $query
    ->condition(db_or()
    ->condition('r.rid', $rids, 'IN')
    ->isNull('r.rid'));
  $query
    ->fields('b', array(
    'delta',
  ));
  $query
    ->distinct();
  $allowed_bids = $query
    ->execute()
    ->fetchCol();
  return array_intersect($bids, $allowed_bids);
}